User Guide

Recommended action
54.00.03: Environmental sensor failure
1. Turn the product off and then on.
2. If the environment sensor has been removed or replaced check the connector (J2) on the
environment sensor, the inline connector (J98), and the connector (J108) on the DC controller
PCA.
3. If the error persists, replace the environment sensor assembly.
54.00.06 or 54.00.14 or 54.00.19: Registration density sensor failure
1. Open and close the front door to clean the registration density sensor.
2. Use the control-panel menus to perform a full calibration.
3. If the error persists, replace the registration density sensor assembly.
54.0X.0B or 54.0X.0C: Registration density sensor out of range error or Dhalf
calibration failure
X = 0 black, X = 1 cyan, X = 2 magenta, X = 3 yellow
1. Check the supplies status page to make sure the toner cartridges are not past their useful life.
2. Check the ITB for damage.
3. Make sure the CPR sensor is not contaminated with toner or paper dust. Open and then close the
front door to clean the sensor, or clean the sensor with compressed air and soft brush.
4. If error persists, replace the registration density sensor assembly.
54.0X.0D or 54.0X.0E: CPR sensor out of range
X = 0 black, X = 1 cyan, X = 2 magenta, X = 3 yellow
1. Check the supplies status page to make sure the toner cartridges are not past their useful life.
2. Check the ITB for damage.
3. Make sure the CPR sensor is not contaminated with toner or paper dust. Open and then close the
front door to clean the sensor, or clean the sensor with compressed air and soft brush.
4. If error persists, replace the registration density sensor assembly.
55.XX.YY DC controller error To continue turn off then on
Description
The DC controller experienced a communication error.
55.00.01 (event code): DC controller memory error
55.00.02 (event code): DC controller no engine response
55.00.07 (event code): DC controller communications timeout
ENWW
Tools for troubleshooting
285